how to insert multiple records in database from gridview control

 protected void btnview0_Click(object sender, EventArgs e)
    {
 
        callgrid();
    }  
 protected void Btnrecv_Click(object sender, EventArgs e)
  { 
      foreach (GridViewRow item in GridView1.Rows)
        {
 
//here your connection string 
            SqlConnection con = new SqlConnection(@"Here YOUR connection ");
            con.Open();
//Modified according your table Definition 
            string statment = string.Format("insert into  test1 ( [name], [address], gender ) values ('{0}','{1}','{2}' )", item.Cells[1].Text , item.Cells[2].Text, item.Cells[3].Text);
            SqlCommand cmd = new SqlCommand(statment, con);
 
            cmd.CommandType = CommandType.Text;
            cmd.ExecuteNonQuery();
            con.Close();
            cmd.Dispose();
 
        }
   }